As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT MAIN GEAR DOOR LIGHT ILLUM DURING TAKEOFF ROLL EXTINGUISHED DURING CLIMBOUT (RED LIGHT ON F/O PANEL). FOUND LEFT MAIN GEAR DOOR SWITCH CONTAMINATED. CLEANED SWITCH, CYCLED SEVERAL TIMES, FOUND TO BE MOVING FREELY. OPS CHECKS GOOD ON GROUND IAW MM 32-62-00. NO FURTHER DEFECTS NOTED.